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71. 发明授权

US11336070B2 Conductively-cooled slab laser 有权
公开(公告)号：US11336070B2
公开(公告)日：2022-05-17
申请号：US16838564
申请日：2020-04-02
申请人： Coherent, Inc.
发明人： Eric R. Mueller , Vernon A. Seguin , Christian Shackleton
IPC分类号： H01S3/041 , H01S3/038 , H01S3/03 , H01S3/223 , H01S3/04
摘要： A carbon dioxide gas-discharge slab-laser is assembled in a laser-housing. The laser-housing is formed from a hollow extrusion. An interior surface of the extrusion provides a ground electrode of the laser. Another live electrode is located within the extrusion, electrically insulated from and parallel to the ground electrode, forming a discharge-gap of the slab-laser. The electrodes are spaced apart by parallel ceramic strips. Neither the extrusion, nor the live electrode, include fluid coolant channels. The laser-housing is cooled by fluid-cooled plates attached to the outside thereof.

72. 发明授权

US10707640B2 Laser-heated cavity system 有权
公开(公告)号：US10707640B2
公开(公告)日：2020-07-07
申请号：US16356324
申请日：2019-03-18
申请人： Adnanotek Corp.
发明人： Kai Yang
IPC分类号： H01S3/0951 , H01S3/034 , H01S3/22 , H01S3/041 , H01S3/036 , C23C16/48 , C23C14/58 , H01S5/42
摘要： A laser-heated cavity system includes: a first cavity provided with a first top end part and a first bottom end part that are arranged opposite each other; wherein the first top end part is provided with a first widow and the first bottom end part is provided with an opening; a second cavity disposed inside the first cavity, provided with a second top end part and a second bottom end part that are arranged opposite each other, and disposed with a second window and a sample bearer; a laser heating assembly disposed outside the first cavity; wherein at least one laser beam provided by the laser heating assembly is passed through the first and second windows, and then focused on the sample bearer; and a mobile platform assembly. The first cavity is a vacuum cavity, and the pressure in the second cavity ranges from vacuum to 30 atm.

73. 发明授权

US10593776B2 Dielectric electrode assembly and method of manufacture thereof 有权
公开(公告)号：US10593776B2
公开(公告)日：2020-03-17
申请号：US16175415
申请日：2018-10-30
申请人： Auroma Technologies, Co., LLC
发明人： Michael W. Murray
IPC分类号： H01S3/0975 , H01L29/49 , H01L21/04 , H01S5/042 , H01S3/038 , H01S3/041 , H01S3/04
摘要： A dielectric electrode assembly, and a method (600) of manufacture thereof, including: a dielectric tube (226) having a cylindrical cross-section and a relative dielectric constant, ε2, the dielectric tube (226) filled with a gas having a relative dielectric constant, ε1; a structural dielectric (225) having a relative dielectric constant, ε3 surrounding the dielectric tube (226); metal electrodes (224) on opposite sides of the structural dielectric (225), the metal electrodes (224) having a flat cross-sectional geometry; and the structural dielectric (225) made from a material selected such that the relative dielectric constants of the structural dielectric (225), the dielectric tube (226), and the gas are interrelated and an approximately uniform electric field is generated within the dielectric tube (226) when power is applied to the metal electrodes (224).

74. 发明授权

US10211589B2 Laser apparatus and extreme ultraviolet light generation apparatus 有权
公开(公告)号：US10211589B2
公开(公告)日：2019-02-19
申请号：US15552730
申请日：2016-04-20
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Kouji Funaoka , Masashi Naruse
IPC分类号： H01S3/03 , H01S3/02 , H01S3/00 , H01S3/034 , H01S3/041 , H01S3/223 , H01S3/23 , H05G2/00
摘要： Kinematic mounts have three points having zero degree of freedom, one degree of freedom, and two degrees of freedom, respectively. As viewed from a direction perpendicular to a plane containing the three points, an extension of an entrance optical axis of a laser beam to an amplifying apparatus or an extension of an exit optical axis from the amplifying apparatus is oriented to the point with the zero degree of freedom. A translational direction of the point with the one degree of freedom is oriented to the point with the zero degree of freedom. One of the extension of the entrance optical axis and the extension of the exist optical axis passes on a side closer to the point with the two degrees of freedom with respect to a side of the point with the one degree of freedom.

75. 发明申请

US20180246250A1 DOWNHOLE GAMMA-RAY GENERATORS AND SYSTEMS TO GENERATE GAMMA-RAYS IN A DOWNHOLE ENVIRONMENT 审中-公开
公开(公告)号：US20180246250A1
公开(公告)日：2018-08-30
申请号：US15558953
申请日：2016-12-21
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： Juan NAVARRO SORROCHE , Weijun GUO
IPC分类号： G01V5/12 , H01S3/223 , H01S3/13 , H01S3/11 , H01S3/16 , H01S3/04 , H01S3/042 , H01S3/041
CPC分类号： G01V5/125 , E21B47/1015 , G21K1/08 , H01S3/0405 , H01S3/041 , H01S3/042 , H01S3/11 , H01S3/13 , H01S3/1625 , H01S3/1636 , H01S3/2232
摘要： The disclosed embodiments include downhole gamma-ray generators and methods to utilize downhole gamma-ray generators in a downhole environment. In one embodiment, a downhole gamma-ray generator includes a target foil formed from a first material. The downhole gamma-ray generator also includes a second layer deposited along a back surface of the target foil. The downhole gamma-ray generator further includes a laser system operable to direct optical pulses onto a front surface of the target foil to ionize atoms of the first material, where electrons produced by ionization of the first material propagate through the target foil and decelerates when the electrons interact with the high density material, and where the deceleration of the electrons produces gamma-rays that are utilized to obtain one or more formation properties of a downhole formation.

76. 发明申请

US20180034228A1 LASER APPARATUS AND EXTREME ULTRAVIOLET LIGHT GENERATION APPARATUS 审中-公开
公开(公告)号：US20180034228A1
公开(公告)日：2018-02-01
申请号：US15552730
申请日：2016-04-20
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Kouji FUNAOKA , Masashi NARUSE
IPC分类号： H01S3/03 , H01S3/00 , H01S3/034 , H01S3/041 , H05G2/00 , H01S3/223
CPC分类号： H01S3/03 , H01S3/0071 , H01S3/02 , H01S3/034 , H01S3/041 , H01S3/2232 , H01S3/2366 , H05G2/008
摘要： Kinematic mounts have three points having zero degree of freedom, one degree of freedom, and two degrees of freedom, respectively. As viewed from a direction perpendicular to a plane containing the three points, an extension of an entrance optical axis of a laser beam to an amplifying apparatus or an extension of an exit optical axis from the amplifying apparatus is oriented to the point with the zero degree of freedom. A translational direction of the point with the one degree of freedom is oriented to the point with the zero degree of freedom. One of the extension of the entrance optical axis and the extension of the exist optical axis passes on a side closer to the point with the two degrees of freedom with respect to a side of the point with the one degree of freedom.

77. 发明授权

US09673588B1 Techniques and apparatus for managing lasing gas concentrations 有权
公开(公告)号：US09673588B1
公开(公告)日：2017-06-06
申请号：US14063736
申请日：2013-10-25
申请人： Xemed LLC
发明人： F. William Hersman , David W. Watt
IPC分类号： H01S3/036 , H01S3/032 , H01S3/227 , H01S3/041 , H01S3/04 , H01S3/0941 , H01S3/0943
CPC分类号： H01S3/031 , H01S3/032 , H01S3/0346 , H01S3/036 , H01S3/0405 , H01S3/041 , H01S3/0941 , H01S3/0943 , H01S3/104 , H01S3/227
摘要： Techniques and architecture are disclosed for managing alkali vapor concentration in a lasing gas at non-condensing levels. In some instances, the disclosed techniques/architecture can be used to control and/or stabilize the concentration of alkali vapor in a lasing gas volume to any desired fraction of its saturation value under dynamically changing thermal loads. In some such instances, the concentration of alkali vapor in a given lasing gas volume can be maintained at a value which is sufficiently far from the saturation point to prevent or otherwise reduce condensation of the alkali vapor, for example, upon accelerating the lasing gas through a pressure drop into an optical pumping cavity of an alkali vapor laser system (e.g., such as a diode-pumped alkali laser, or DPAL, system). In some instances, the disclosed techniques/architecture can be used to establish a temperature gradient and/or an alkali vapor concentration gradient in the flowing lasing gas volume.

78. 发明授权

US09664898B2 Laser device and method for marking an object 有权
公开(公告)号：US09664898B2
公开(公告)日：2017-05-30
申请号：US14342504
申请日：2012-07-19
申请人： Kevin L. Armbruster , Brad D. Gilmartin , Peter J. Kueckendahl , Bernard J. Richard , Daniel J. Ryan
发明人： Kevin L. Armbruster , Brad D. Gilmartin , Peter J. Kueckendahl , Bernard J. Richard , Daniel J. Ryan
IPC分类号： G02B26/10 , B23K26/06 , H01S3/07 , H01S3/23 , H01S3/00 , H01S3/03 , B23K26/00 , B23K26/70 , B23K26/142 , B23K26/082 , H01S3/0975 , H01S3/223 , H01S3/041
CPC分类号： G02B26/10 , B23K26/00 , B23K26/0608 , B23K26/082 , B23K26/142 , B23K26/702 , B23K26/703 , H01S3/0071 , H01S3/03 , H01S3/041 , H01S3/076 , H01S3/0975 , H01S3/2232 , H01S3/2383
摘要： Laser device comprising at least two gas laser units (10), stacked in layers, each laser unit comprising a plurality of resonator tubes (12), the resonator tubes being in fluidic communication with each other and forming a common tubular space, connecting elements (20, 21) for connecting adjacent resonator tubes so as to form a loop, mirrors (22) arranged in the connecting elements for reflecting the laser light between the resonator tubes, a rear mirror (44) and a partially reflecting output coupler (42) for coupling out a laser beam. In each laser unit an integrated output flange (40) comprises the rear mirror, the partially reflecting output coupler and an output mirror (46) which deflects the laser beam passing through the output coupler to a scanning device (80) located in the central space (8) surrounded by the resonator tubes. The invention also relates to a method for marking an object.

79. 发明授权

US09614342B2 Air-cooled carbon-dioxide laser 有权
公开(公告)号：US09614342B2
公开(公告)日：2017-04-04
申请号：US14688369
申请日：2015-04-16
申请人： Coherent, Inc.
发明人： Eric R. Mueller , Adrian Papanide
IPC分类号： H01S3/04 , H01S3/223 , H01S3/041 , H01S3/09
CPC分类号： H01S3/0404 , H01S3/041 , H01S3/0906 , H01S3/2232
摘要： A carbon dioxide waveguide-laser includes an elongated resonator unit and an elongated power-supply unit. The resonator and power-supply units are spaced by a cooling unit including a plurality of longitudinally extending, spaced-apart fins, with fans arranged to drive air through the spaces between the fins.

80. 发明授权

US09590380B2 Laser oscillator provided with blower 有权
标题翻译：激光振荡器配有鼓风机
公开(公告)号：US09590380B2
公开(公告)日：2017-03-07
申请号：US15040121
申请日：2016-02-10
申请人： FANUC CORPORATION
发明人： Akihiko Nishio
IPC分类号： H01S3/22 , H01S3/036 , H01S3/134 , H01S3/106 , H01S3/0943 , H01S3/104 , H01S3/041
CPC分类号： H01S3/036 , H01S3/041 , H01S3/0943 , H01S3/104 , H01S3/1067 , H01S3/134 , H01S3/22
摘要： There was the problem that the pressure of the laser medium rises from the target value by the heat when generating laser light. The laser oscillator includes a controller, laser medium flow path, resonator part, blower, pressure detecting part, laser medium supply-exhaust part, and temporary stop command part. The controller controls the resonator part to stop to generate laser light if a temporary stop is commanded, controls the blower 18 to slow the rotational speed of the blower from the first rotational speed to the second rotational speed, and controls the laser medium supply-exhaust part so that the pressure is the second target value lower than the pressure at the time when the rotational speed of the blower is the second rotational speed.
摘要翻译：存在当产生激光时激光介质的压力从目标值通过热量升高的问题。激光振荡器包括控制器，激光介质流路，谐振器部分，鼓风机，压力检测部分，激光介质供给排气部分和临时停止命令部分。如果命令临时停止，控制器控制谐振器部分停止产生激光，控制鼓风机18将鼓风机的旋转速度从第一转速减慢到第二转速，并控制激光介质供给排气使得压力是比鼓风机的转速为第二转速时的压力低的第二目标值。

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